In thinking about their role in cell division, oncogenes are like the ________ of a car, while tumor-suppressor genes are like the ________ of a car
A) gas pedal; brakes
B) steering wheel; brakes
C) gas pedal; headlights
D) brakes; gas pedal
Answer: A
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Which of the following creates the least amount of soil erosion?
A) deforestation B) poor landscaping practices that expose the land to excess wind C) overgrazing by livestock D) use of drip irrigation systems E) wetland destruction
The reason segmental duplications pose a logistical challenge in the proper alignment of DNA sequences is that they
A. contain large numbers of LINEs, which interfere with sequence annotation. B. are inherently repetitive. C. interfere with BLAST analysis. D. are often found in areas of constitutive heterochromatin.
At which temperature does an organism show its greatest rate of growth over time?
A) Minimum temperature B) Maximum temperature C) Optimal temperature D) Room temperature
Which of the following is not associated with every virus?
A) Capsid B) Capsomers C) Envelope D) Genome E) Nucleic acid